Observations on miners' nystagmus and its cause; congenital ocular defects; and other papers / by Simeon Snell.

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Observations on miners' nystagmus and its cause; congenital ocular defects; and other papers / by Simeon Snell. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.